👤

Sagot :

Bonjour

Calculer la longueur manquante :

JL^2 = JK^2 + KL^2

8,5^2 = JK^2 + 3,6^2

JK^2 = 8,5^2 - 3,6^2

JK^2 = 72,25 - 12,96

JK^2 = 59,29

JK = V(59,29)

JK = 7,7 cm

AC^2 = AB^2 + BC^2

AC^2 = 6,4^2 + 7,2^2

AC^2 = 40,96 + 51,84

AC^2 = 92,8

AC = V(92,8)

AC ~ 9,6 cm

© 2024 IDNLearn. All rights reserved.